Merge branch 'pm-cpufreq'

[karo-tx-linux.git] / tools / lib / bpf / libbpf.c

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 4fa4bc4505f5b5ecec02758efe3af453f49ec01a..4252fc22f78f4f8fd4c204975b5464f5bbc192e0 100644 (file)
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -880,15 +880,26 @@ struct bpf_object *bpf_object__open(const char *path)
 }
 
 struct bpf_object *bpf_object__open_buffer(void *obj_buf,
-                                          size_t obj_buf_sz)
+                                          size_t obj_buf_sz,
+                                          const char *name)
 {
+       char tmp_name[64];
+
        /* param validation */
        if (!obj_buf || obj_buf_sz <= 0)
                return NULL;
 
-       pr_debug("loading object from buffer\n");
+       if (!name) {
+               snprintf(tmp_name, sizeof(tmp_name), "%lx-%lx",
+                        (unsigned long)obj_buf,
+                        (unsigned long)obj_buf_sz);
+               tmp_name[sizeof(tmp_name) - 1] = '\0';
+               name = tmp_name;
+       }
+       pr_debug("loading object '%s' from buffer\n",
+                name);
 
-       return __bpf_object__open("[buffer]", obj_buf, obj_buf_sz);
+       return __bpf_object__open(name, obj_buf, obj_buf_sz);
 }
 
 int bpf_object__unload(struct bpf_object *obj)
@@ -975,6 +986,14 @@ bpf_object__next(struct bpf_object *prev)
        return next;
 }
 
+const char *
+bpf_object__get_name(struct bpf_object *obj)
+{
+       if (!obj)
+               return NULL;
+       return obj->path;
+}
+
 struct bpf_program *
 bpf_program__next(struct bpf_program *prev, struct bpf_object *obj)
 {